CN201561294U - Large-power LED lamp - Google Patents

Large-power LED lamp Download PDF

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Publication number
CN201561294U
CN201561294U CN2009202058783U CN200920205878U CN201561294U CN 201561294 U CN201561294 U CN 201561294U CN 2009202058783 U CN2009202058783 U CN 2009202058783U CN 200920205878 U CN200920205878 U CN 200920205878U CN 201561294 U CN201561294 U CN 201561294U
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CN
China
Prior art keywords
radiating fin
led lamp
heat pipe
heat sink
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009202058783U
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Chinese (zh)
Inventor
许小云
王凌云
杨军
黄九太
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SHENZHEN OPHIR LIGHTING CO Ltd
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SHENZHEN OPHIR LIGHTING CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN2009202058783U priority Critical patent/CN201561294U/en
Application granted granted Critical
Publication of CN201561294U publication Critical patent/CN201561294U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a large-power LED lamp, which comprises a substrate and a radiating module, wherein the substrate is provide with an LED, and the radiating module is fixed onto one side of the substrate. The radiating module includes a radiating plate, at least one radiating fin and a heat pipe, wherein the radiating fin and the heat pipe are arranged on the radiating plate, one end of the heat pipe is embedded into the radiating fin, and a notch is arranged on at least one side edge of the radiating fin. By arranging the notch on at least one side edge of the radiating fin, the large-power LED lamp facilitates forming convection and has fine radiating effect. The radiating fin and the heat pipe both fixedly contact with the radiating plate, thereby the whole radiating module is comparatively stable, the radiating fin and the heat pipe are not easy to deform, and the radiating module of the large-power LED lamp has comparatively small volume.

Description

A kind of high-powered LED lamp
Technical field
The utility model relates to technical field of semiconductor illumination, relates in particular to a kind of high-powered LED lamp.
Background technology
LED is the very little semiconductor devices of a kind of profile, when electric current can send versicolor light during by it.And glow color depends primarily on the chemical composition of the luminous composition of led chip, can be deployed into as required that white light or other are various coloured light.The light source of light fixture use now is traditional common bulb or energy-saving bulb or osram lamp, mercury vapor lamp, iodine-tungsten lamp or high-pressure mercury lamp.This traditional light source power consumption is big, temperature is high, poor safety performance, light efficiency are paid no attention to and thought of deficiencies such as the life-span is short.Along with science and technology develops day by day at high speed, diode (LED) because of it energy-conservation and environmental protection more and more paid attention to as decorating by people with lighting source, and be used widely, yet because the chip of large-power light-emitting diodes LED own can produce a large amount of heats when work, distribute if these heats conduct untimelyly, can cause very big influence its performance and life-span.
For addressing the above problem, application number is the LED lamp that 200720172365.8 Chinese patent discloses a kind of tool radiator structure, the radiator that comprises a tubular, described radiator is arranged at a side of the aluminium base that is used to mount the LED lamp, fix an opening on the substrate of radiator and upwards erect the U-shaped heat pipe that is provided with, the base portion of described U-shaped heat pipe is fixed on the substrate of described radiator, be embedded with the fin of several annulars on the two ends of described U-shaped heat pipe, so transmit heat to two ends, and dispel the heat away to reach the heat radiation purpose by fin by the contacted base portion of the substrate of U-shaped heat pipe and radiator.
Yet, the volume of the radiator structure of described LED lamp is bigger, and described radiator structure only is fixed on the substrate of described radiator by the base portion of U-shaped heat pipe, and be arranged with several annular fin on the described U-shaped heat pipe, the contact area of the base portion of U-shaped heat pipe and the substrate of radiator is little but will bear described this heat pipe and sheathed thereon the weight of a plurality of fin, carrying is big, built on the sand easy deformation; If the quantity that will reduce fin is to reduce weight, then radiating effect is not good again.
The utility model content
The technical problem that the utility model mainly solves provides a kind of high-powered LED lamp, the little and excellent in heat dissipation effect of volume.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of high-powered LED lamp is provided, comprise that one is provided with the substrate and the heat radiation module that is fixed on described substrate one side of LED, wherein, described heat radiation module comprises heat sink, is arranged on an at least one radiating fin and a heat pipe on the described heat sink, one end of described heat pipe embeds on the described radiating fin, has a breach at least one side of described radiating fin.
Wherein, described heat sink is fixed on the side of described substrate, and the other end of described heat pipe is inserted between described radiating fin and the described heat sink or directly is fixed in the described heat sink.
Wherein, described heat pipe is " U " shape, be formed with a locating slot between the bottom of described radiating fin and the described heat sink, described radiating fin upper punch is pressed with circular port, one end of described heat pipe embed in the described circular port and with described radiating fin close-fitting mutually, the other end of heat pipe is inserted in the described locating slot.
Wherein, what described radiating fin was vertical is built up on the described heat sink, and the bottom of described radiating fin has the folding fin that fixes with described heat sink.
Wherein, described heat radiation module is covered with a protective cover outward, and described protective cover is provided with a plurality of louvres.
Wherein, described each led chip all is covered with a wide-angle lens outward.
Wherein, comprise a power supply driver, described power supply driver is connected by the electronics line with described LED lamp.
Wherein, described power supply driver comprises power supply drain pan, power supply upper casing, DC to DC control circuit board and AC to DC control circuit board or constant current source control circuit plate, and described power supply drain pan and power supply upper casing all offer a plurality of air vents.
Wherein, described DC to DC control circuit board and AC to DC control circuit board or constant current source control circuit plate all are provided with and are convenient to the splicing ear that power line is pegged graft and installed.
The beneficial effects of the utility model are: the volume of radiator structure of LED lamp that is different from prior art is big, the situation that radiating effect is not good, the heat radiation module of the utility model high-powered LED lamp comprises heat sink, be arranged on an at least one radiating fin and a heat pipe on the described heat sink, described radiating fin and heat pipe all are arranged on the described heat sink, and an end of described heat pipe embeds on the described radiating fin, has a breach at least one side of described radiating fin, be convenient to form convection current, excellent in heat dissipation effect, radiating fin described in the utility model all fixedly contacts with described heat sink with heat pipe, thereby the entire heat dissipation module is more firm, fin and heat pipe are not yielding, and the heat radiation module volume of the utility model high-powered LED lamp is less.
Description of drawings
Fig. 1 is the stereochemical structure decomposing schematic representation of first embodiment of the utility model high-powered LED lamp;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of second embodiment of the utility model high-powered LED lamp;
Fig. 3 is the structural representation of heat pipe heat radiation module shown in Figure 2;
Fig. 4 is the structural representation of another angle of heat pipe heat radiation module shown in Figure 2;
Fig. 5 is the cutaway view of heat pipe heat radiation module shown in Figure 2;
Fig. 6 is that schematic diagram is looked on the left side of heat pipe heat radiation module among Fig. 5;
Fig. 7 is that schematic diagram is looked on the right side of heat pipe heat radiation module among Fig. 5;
Fig. 8 is a kind of distribution curve flux figure of the utility model high-powered LED lamp.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, it is first embodiment of the utility model high-powered LED lamp, a substrate 3 that comprises a heat pipe heat radiation module 1 and be arranged on described heat pipe heat radiation module 1 bottom, described substrate 3 is provided with a plurality of led chips, and described each led chip all is covered with wide-angle lens 5 outward.Be provided with a protective cover 2 around the described heat pipe heat radiation module 1.
See also Fig. 1, Fig. 3 to Fig. 7, described heat radiation module 1 comprises heat accumulation module, heat conducting module and radiating module.Described heat accumulation module is a rounded or square heat sink 11, described radiating module is at least one radiating fin 12 that is arranged on the described heat sink 11, described radiating fin 12 vertical being arranged on the described heat sink 11, described radiating fin 12 has a plurality of sides 121, to be provided with a breach 122 on the upper side edge of described radiating fin 12 and the limit, the left and right sides according to flow calorifics and conduction calorifics principle of air, thereby the upper side edge of described radiating fin 12 and limit, the left and right sides all are concave shape.Described heat conducting module for embed on the described radiating fin 12 at least one being " U " shape heat pipe 13.The middle punching press of described radiating fin 12 is useful on the circular port with heat pipe 13 close-fittings, in the circular port of the described radiating fin 12 of embedding of the upper end interference of described heat pipe 13 and with described radiating fin 12 close-fitting mutually, the lower end of heat pipe 13 partly embeds in the circular locating slot that holotypes that semicircle is organized become above radiating fin 12 bottom semicircles and the heat sink 11 (among the figure not label) or the lower end part of described heat pipe 13 directly is fixed in the described heat sink 11, and the circular port of radiating fin 12 centres and the semi-circular hole of bottom all have flange fin (not shown).The dual-side upper punch of radiating fin 12 is pressed with little folding fin, is used for location, fixing and support radiating fin 12, thereby makes heat pipe heat radiation module 1 not yielding.The bottom punching press of described radiating fin 12 has little folding fin (not shown), is used for welding mutually with described heat sink 11, helps heat pipe heat radiation module 1 and forms from contracurrent system and be used for fixing and support radiating fin 12, also is convenient to the smooth and easy heat radiation of heat dissipation channel.Described radiating fin 12 is the folding fins of module that are folded according to the certain spacing punch forming on continuous stamping die by the high-quality aluminium, or by the thin fin of high-quality aluminium stamping forming single punching press in diel.
Described substrate 3 is fixed on the side of described heat sink 11, and described substrate 3 is made for aluminum material, and described heat sink 11 is made for aluminium matter or copper material.The cover wall of described protective cover 2 is provided with the square or polygonal louvre of a plurality of circles.Described heat pipe 13 generally is made up of shell, imbibition core and three parts of end cap.Described heat radiation module mainly is to utilize the evaporation of working fluid and condensation to transmit heat to reach the heat radiation purpose.At first after being evacuated to higher vacuum in the shell, fill, make that being full of liquid in the imbibition capillary wick porous material be close to inside pipe wall is sealed with an amount of working fluid.The end cap of heat pipe 13 has two ends, is respectively evaporation ends (fire end) and condensation end (radiating end), takes adiabatic measure between the two ends as required.In the present embodiment, described evaporation ends is for embedding the lower end in radiating fin 12 bottom semicircles and the circular port that heat sink 11 top holotypes that semicircle is organized become, and described condensation end is the upper end in the circular port of the described radiating fin 12 of the embedding of interference.The heat that LED work the time is distributed is transmitted to 11 li of heat sinks with heat accumulation thermolysis fast through substrate 3, pass to an end of heat pipe 13 then by heat sink 11, when an end of heat pipe is heated (when the temperature difference appears in two ends), liquid carburation by evaporation in the capillary wick, steam flows to the other end and emits heat and condense into liquid under pressure reduction, liquid relies on capillarity to flow back to evaporation ends along porous material again, so circulation endlessly, heat is able to transmit rapidly along heat pipe, thereby and distributes by radiating fin 12 and to reach the heat radiation purpose to reduce the temperature of led chip.
The described LED that is arranged on the substrate 3 passes protective cover 2 by two electronics lines 6 and inserts on the power supply driver.Described power supply driver comprises power supply drain pan 9, power supply upper casing 8, DC to DC control circuit board 7 and AC to DC control circuit board 10 or constant current source control circuit plate.Power supply drain pan 9 has the bar shaped air vent with 8 designs of power supply upper casing, so that cooling electronic component energy wind, DC to DC control circuit board 7 and AC to DC control circuit board 10 or constant current source control circuit plate all design is convenient to the splicing ear that power line is pegged graft and installed.
Heat pipe 13, radiating fin 12 and heat sink 11 all need to handle through the electroplating chemical nickel surface before crossing reflow machine.Described wide-angle lens 5 is to be made by the optical material of light transmission high-quality (for example optics PMMA, optics PC, optical glass etc.), and light transmittance is more than 93%.Described wide-angle lens 5 specifically comprises the assembling position on two curved surfaces of concave, convex and lens carrier and the lens carrier, and described assembling position is according to required permutation and combination.Described two curved surfaces are optical surface, optical surface mainly refers to any unconventional curved surface or asymmetrical curved surface or the curved surface that can only represent with parameter vector, nurbs surface for example, parameter vector is represented the arbitrary shape optical surface, comprises XY polynomial surface, bezier surface, B-spline surface, non-homogeneous B spline curve curved surface (NURBS) etc.
See also Fig. 2, it is second embodiment of the utility model high-powered LED lamp, and its structure and first embodiment are basic identical, and its difference is the described heat radiation module 1 outer protective cover 2 that is not provided with.
Fig. 8 is a kind of distribution curve flux figure of the present utility model; Be by led light source through wide-angle lens 5 luminous intensity distribution again, wide-angle lens 5 light transmittances reach more than 93%, can improve the illumination uniformity and light efficiency; The uniformity is more than 0.85, can reach required irradiating angle in a big way, full-shape 95 degree, the light of each angle that led light source is sent carries out again luminous intensity distribution (any smooth optical surface all is to carry out luminous intensity distribution in a continuous manner), the adjacent point of two light on target that sends from led light source also is adjacent, the border of led light source is corresponding to the border of target, thereby can greatly improve light utilization ratio, energy savings.
The radiator structure volume that is different from prior art LED lamp is big, built on the sand, the situation that radiating effect is not good, the heat radiation module 1 of the utility model high-powered LED lamp is by being provided with a heat sink 11, one is arranged on an at least one radiating fin 12 and the heat pipe 13 on the described heat sink 11, described radiating fin 12 and heat pipe 13 all are arranged on the described heat sink 11, and an end of described heat pipe 13 embeds on the described radiating fin 12, the other end is inserted between described radiating fin 12 and the described heat sink 11, thereby radiating fin 12 and 13 whiles of heat pipe are fixing with described heat sink 11, contact area is bigger, thereby entire heat dissipation module 1 is relatively more firm, fin and heat pipe are not yielding, and heat radiation module 1 volume of the utility model high-powered LED lamp is less.
At least one side 121 of the described radiating fin 12 of the heat radiation module 1 of the utility model high-powered LED lamp has a breach 122, thereby side 121 is concave shape, is convenient to form convection current, excellent in heat dissipation effect.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims (9)

1. high-powered LED lamp, comprise that one is provided with the substrate and the heat radiation module that is fixed on described substrate one side of LED, it is characterized in that, described heat radiation module comprises heat sink, is arranged on an at least one radiating fin and a heat pipe on the described heat sink, one end of described heat pipe embeds on the described radiating fin, has a breach at least one side of described radiating fin.
2. high-powered LED lamp according to claim 1 is characterized in that, described heat sink is fixed on the side of described substrate, and the other end of described heat pipe is inserted between described radiating fin and the described heat sink or directly is fixed in the described heat sink.
3. high-powered LED lamp according to claim 2, it is characterized in that, described heat pipe is " U " shape, be formed with a locating slot between the bottom of described radiating fin and the described heat sink, described radiating fin upper punch is pressed with circular port, one end of described heat pipe embed in the described circular port and with described radiating fin close-fitting mutually, the other end of heat pipe is inserted in the described locating slot.
4. high-powered LED lamp according to claim 3 is characterized in that, what described radiating fin was vertical is built up on the described heat sink, and the bottom of described radiating fin has the folding fin that fixes with described heat sink.
5. high-powered LED lamp according to claim 4 is characterized in that, described heat radiation module is covered with a protective cover outward, and described protective cover is provided with a plurality of louvres.
6. high-powered LED lamp according to claim 4 is characterized in that, described each led chip all is covered with a wide-angle lens outward.
7. according to each described high-powered LED lamp of claim 2 to 6, it is characterized in that, comprise a power supply driver, described power supply driver is connected by the electronics line with described LED lamp.
8. high-powered LED lamp according to claim 7, it is characterized in that, described power supply driver comprises power supply drain pan, power supply upper casing, DC to DC control circuit board and AC to DC control circuit board or constant current source control circuit plate, and described power supply drain pan and power supply upper casing all offer a plurality of air vents.
9. high-powered LED lamp according to claim 8 is characterized in that, described DC to DC control circuit board and AC to DC control circuit board or constant current source control circuit plate all are provided with is convenient to the splicing ear that power line is pegged graft and installed.
CN2009202058783U 2009-10-19 2009-10-19 Large-power LED lamp Expired - Fee Related CN201561294U (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095130A (en) * 2010-11-11 2011-06-15 金光翰 LED street lamp with high heat radiation and brightness and easy replacement
CN102418914A (en) * 2010-09-28 2012-04-18 陈理诚 Heat radiation platform of light emitting diode
CN103727504A (en) * 2013-12-19 2014-04-16 深圳市超频三科技有限公司 LED lamp and radiating component
CN103827581A (en) * 2011-09-26 2014-05-28 普司科Led股份有限公司 Optical semiconductor-based lighting apparatus
CN104515106A (en) * 2013-09-30 2015-04-15 海洋王（东莞）照明科技有限公司 Heat dissipation device and LED (Light Emitting Diode) lamp comprising same
CN105387439A (en) * 2015-11-23 2016-03-09 广东昭信照明科技有限公司 Manufacturing method of LED light source module radiator and manufacturing method of LED lighting equipment
CN107355711A (en) * 2017-07-05 2017-11-17 陕西科技大学 A kind of high-power LED plant growth lamp and preparation method thereof
CN107883359A (en) * 2017-07-28 2018-04-06 东莞市光引实业有限公司 High-power LED radiating structure
CN108870343A (en) * 2018-07-30 2018-11-23 江苏宏力光电科技股份有限公司 Radiator structure for high-power LED light source

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102418914A (en) * 2010-09-28 2012-04-18 陈理诚 Heat radiation platform of light emitting diode
CN102095130A (en) * 2010-11-11 2011-06-15 金光翰 LED street lamp with high heat radiation and brightness and easy replacement
CN103827581A (en) * 2011-09-26 2014-05-28 普司科Led股份有限公司 Optical semiconductor-based lighting apparatus
CN104515106A (en) * 2013-09-30 2015-04-15 海洋王（东莞）照明科技有限公司 Heat dissipation device and LED (Light Emitting Diode) lamp comprising same
CN103727504A (en) * 2013-12-19 2014-04-16 深圳市超频三科技有限公司 LED lamp and radiating component
CN103727504B (en) * 2013-12-19 2016-11-09 深圳市超频三科技股份有限公司 LED lamp and radiating subassembly
CN105387439A (en) * 2015-11-23 2016-03-09 广东昭信照明科技有限公司 Manufacturing method of LED light source module radiator and manufacturing method of LED lighting equipment
CN105387439B (en) * 2015-11-23 2019-11-29 广东昭信照明科技有限公司 A kind of manufacturing method of LED light source module radiator and LED illumination device
CN107355711A (en) * 2017-07-05 2017-11-17 陕西科技大学 A kind of high-power LED plant growth lamp and preparation method thereof
CN107883359A (en) * 2017-07-28 2018-04-06 东莞市光引实业有限公司 High-power LED radiating structure
CN108870343A (en) * 2018-07-30 2018-11-23 江苏宏力光电科技股份有限公司 Radiator structure for high-power LED light source

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100825

Termination date: 20121019